Senior System Administrator

Posted 11 Days Ago
Be an Early Applicant
Pelham, NH, USA
In-Office
69K-131K Annually
Senior level
Aerospace • Defense
The future of aerospace and defense
The Role
Provides systems administration across Microsoft Windows and Red Hat Enterprise Linux environments supporting classified programs. Responsibilities include installing, configuring, troubleshooting, integrating hardware and operating systems, maintaining secure infrastructure, documenting technical solutions, training users, and collaborating with cybersecurity teams. The role requires VMware administration, support for 24x7 systems, occasional extended-hours work, and up to 5% domestic travel. A Secret clearance and U.S. citizenship are required.
Summary Generated by Built In

Date Posted:

2026-10-22

Country:

United States of America

Location:

US-NH-PELHAM-PE1 ~ 50 Bush Hill Rd ~ BLDG 1

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.


Senior System Administrator in Information Workplace Services will collaborate with a diverse team to support exciting, critical programs with classified information system capabilities. Success in this role means you can develop, implement and maintain secure, cost-efficient environments across various classified programs. Program teams rely on your collaboration and guidance to define computing requirements and create end-to-end solutions to solve complex IT infrastructure problems. 


What You Will Do:     

  • Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.  
  • Work as a team member in a fast-paced technological environment.  
  • Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS). 
  • Work with Cybersecurity professionals to maintain security requirements. 
  • Provide documentation and training on advanced IT processes and procedures and other tasks as assigned. 
  • Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date. 
  • Systems are operational 24x7 and occasionally require work effort beyond standard work hours. 
  • Travel required as business needs dictate to other US Domestic locations, up to 5% per year. 

Qualifications You Must Have: 

  • Typically requires a bachelor’s degree and a minimum of 2 years of prior relevant experience in systems administration and/or IT service desk support. 
  • Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date.  U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
  • Experience with installation, configuration, and administration of Windows operating systems. 
  • Experience with developing solutions and documenting technical problems and their solutions.
  • Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods 

  

Qualifications We Prefer: 

  • Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent) certification and an Operating System Certification 
  • Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF 
  • Experience in Windows Server and RedHat Enterprise Linux
  • Experience with Zero Clients 
  • Experience with data storage, NAS, and SAN technologies and solutions
  • Experience supporting engineers in software, simulations, and hardware development 
  • Experience with Microsoft WSUS, SCCM, and/or Exchange

What We Offer 

  • Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Relocation assistance is available.  
  • Relocation assistance available, provided final candidate meets eligibility requirements

  

Learn More & Apply Now 

  • Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. 

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 68,900 USD - 131,100 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms

Skills Required

  • Bachelor's degree and at least 2 years of relevant systems administration or IT service desk experience
  • Ability to obtain an interim U.S. government security clearance before starting
  • U.S. citizenship
  • Experience installing, configuring, and administering Windows operating systems
  • Experience developing solutions and documenting technical problems and resolutions
  • Experience with VMware vCenter, vSphere, ESX, or other virtual computing methods
  • DoD 8140/8570 certification, such as CompTIA Security+ CE, or equivalent
  • Operating system certification
  • Experience with NISPOM, JAFAN, JSIG, DFARS, or DoD RMF
  • Experience with Windows Server and Red Hat Enterprise Linux
  • Experience with Zero Clients
  • Experience with data storage, NAS, and SAN technologies
  • Experience supporting engineers in software, simulation, or hardware development
  • Experience with Microsoft WSUS, SCCM, or Exchange

RTX Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about RTX and has not been reviewed or approved by RTX.

  • Retirement Support — 401(k) programs are described with employer matching and, in many cases, an additional company retirement contribution, with a student‑loan repayment feature that can substitute for the match in eligible situations. Plan materials also reference automatic enrollment and other structural supports that strengthen long‑term savings.
  • Healthcare Strength — Benefits materials highlight comprehensive medical, dental, and vision coverage alongside wellness tools and incentives. HSA‑eligible options with company contributions are also referenced on careers and benefits pages.
  • Parental & Family Support — Program descriptions point to paid parental leave, backup childcare resources, and family supports such as birth/adoption benefits and an Autism Benefit (availability varies by unit and location). Dependent and elder‑care resources are also noted.

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The Company
HQ: Arlington, VA
185,000 Employees
Year Founded: 2020

What We Do

With more than 185,000 global employees, RTX pushes the limits of technology and science to redefine how we connect and protect our world. Through industry-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – we are advancing aviation, engineering integrated defense systems and developing next-generation technology solutions and manufacturing to help global customers address their most critical challenges.

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